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330c5988 BS |
1 | /* |
2 | * Copyright 2010 Red Hat Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * Authors: Ben Skeggs | |
23 | */ | |
24 | ||
6032649d BS |
25 | #ifdef CONFIG_ACPI |
26 | #include <linux/acpi.h> | |
27 | #endif | |
28 | #include <linux/power_supply.h> | |
34e9d85a MP |
29 | #include <linux/hwmon.h> |
30 | #include <linux/hwmon-sysfs.h> | |
31 | ||
612a9aab | 32 | #include <drm/drmP.h> |
a175094c | 33 | |
77145f1c BS |
34 | #include "nouveau_drm.h" |
35 | #include "nouveau_pm.h" | |
a175094c | 36 | |
77145f1c BS |
37 | #include <subdev/gpio.h> |
38 | #include <subdev/timer.h> | |
aa1b9b48 | 39 | #include <subdev/therm.h> |
a175094c | 40 | |
77145f1c BS |
41 | MODULE_PARM_DESC(perflvl, "Performance level (default: boot)"); |
42 | static char *nouveau_perflvl; | |
43 | module_param_named(perflvl, nouveau_perflvl, charp, 0400); | |
a175094c | 44 | |
77145f1c BS |
45 | MODULE_PARM_DESC(perflvl_wr, "Allow perflvl changes (warning: dangerous!)"); |
46 | static int nouveau_perflvl_wr; | |
47 | module_param_named(perflvl_wr, nouveau_perflvl_wr, int, 0400); | |
a175094c | 48 | |
64f1c11a | 49 | static int |
0b627a0b BS |
50 | nouveau_pm_perflvl_aux(struct drm_device *dev, struct nouveau_pm_level *perflvl, |
51 | struct nouveau_pm_level *a, struct nouveau_pm_level *b) | |
64f1c11a | 52 | { |
77145f1c BS |
53 | struct nouveau_drm *drm = nouveau_drm(dev); |
54 | struct nouveau_pm *pm = nouveau_pm(dev); | |
a6fd5cf3 | 55 | struct nouveau_therm *therm = nouveau_therm(drm->device); |
64f1c11a BS |
56 | int ret; |
57 | ||
11b7d895 MP |
58 | /*XXX: not on all boards, we should control based on temperature |
59 | * on recent boards.. or maybe on some other factor we don't | |
60 | * know about? | |
61 | */ | |
aa1b9b48 MP |
62 | if (therm && therm->fan_set && |
63 | a->fanspeed && b->fanspeed && b->fanspeed > a->fanspeed) { | |
64 | ret = therm->fan_set(therm, perflvl->fanspeed); | |
0b627a0b | 65 | if (ret && ret != -ENODEV) { |
77145f1c | 66 | NV_ERROR(drm, "fanspeed set failed: %d\n", ret); |
0b627a0b | 67 | } |
771e1035 BS |
68 | } |
69 | ||
0b627a0b | 70 | if (pm->voltage.supported && pm->voltage_set) { |
d2edab4a | 71 | if (perflvl->volt_min && b->volt_min > a->volt_min) { |
0b627a0b BS |
72 | ret = pm->voltage_set(dev, perflvl->volt_min); |
73 | if (ret) { | |
77145f1c | 74 | NV_ERROR(drm, "voltage set failed: %d\n", ret); |
0b627a0b BS |
75 | return ret; |
76 | } | |
64f1c11a BS |
77 | } |
78 | } | |
79 | ||
0b627a0b BS |
80 | return 0; |
81 | } | |
82 | ||
83 | static int | |
84 | nouveau_pm_perflvl_set(struct drm_device *dev, struct nouveau_pm_level *perflvl) | |
85 | { | |
77145f1c | 86 | struct nouveau_pm *pm = nouveau_pm(dev); |
0b627a0b BS |
87 | void *state; |
88 | int ret; | |
89 | ||
90 | if (perflvl == pm->cur) | |
91 | return 0; | |
92 | ||
93 | ret = nouveau_pm_perflvl_aux(dev, perflvl, pm->cur, perflvl); | |
94 | if (ret) | |
95 | return ret; | |
96 | ||
ff2b6c6e | 97 | state = pm->clocks_pre(dev, perflvl); |
b0103747 MP |
98 | if (IS_ERR(state)) { |
99 | ret = PTR_ERR(state); | |
100 | goto error; | |
101 | } | |
102 | ret = pm->clocks_set(dev, state); | |
103 | if (ret) | |
104 | goto error; | |
64f1c11a | 105 | |
0b627a0b BS |
106 | ret = nouveau_pm_perflvl_aux(dev, perflvl, perflvl, pm->cur); |
107 | if (ret) | |
108 | return ret; | |
109 | ||
64f1c11a BS |
110 | pm->cur = perflvl; |
111 | return 0; | |
b0103747 MP |
112 | |
113 | error: | |
114 | /* restore the fan speed and voltage before leaving */ | |
115 | nouveau_pm_perflvl_aux(dev, perflvl, perflvl, pm->cur); | |
116 | return ret; | |
64f1c11a BS |
117 | } |
118 | ||
8d7bb400 BS |
119 | void |
120 | nouveau_pm_trigger(struct drm_device *dev) | |
121 | { | |
77145f1c BS |
122 | struct nouveau_drm *drm = nouveau_drm(dev); |
123 | struct nouveau_timer *ptimer = nouveau_timer(drm->device); | |
124 | struct nouveau_pm *pm = nouveau_pm(dev); | |
8d7bb400 BS |
125 | struct nouveau_pm_profile *profile = NULL; |
126 | struct nouveau_pm_level *perflvl = NULL; | |
127 | int ret; | |
128 | ||
129 | /* select power profile based on current power source */ | |
130 | if (power_supply_is_system_supplied()) | |
131 | profile = pm->profile_ac; | |
132 | else | |
133 | profile = pm->profile_dc; | |
134 | ||
25c53c10 BS |
135 | if (profile != pm->profile) { |
136 | pm->profile->func->fini(pm->profile); | |
137 | pm->profile = profile; | |
138 | pm->profile->func->init(pm->profile); | |
139 | } | |
140 | ||
8d7bb400 BS |
141 | /* select performance level based on profile */ |
142 | perflvl = profile->func->select(profile); | |
143 | ||
144 | /* change perflvl, if necessary */ | |
145 | if (perflvl != pm->cur) { | |
77145f1c | 146 | u64 time0 = ptimer->read(ptimer); |
8d7bb400 | 147 | |
77145f1c | 148 | NV_INFO(drm, "setting performance level: %d", perflvl->id); |
8d7bb400 BS |
149 | ret = nouveau_pm_perflvl_set(dev, perflvl); |
150 | if (ret) | |
77145f1c | 151 | NV_INFO(drm, "> reclocking failed: %d\n\n", ret); |
8d7bb400 | 152 | |
77145f1c BS |
153 | NV_INFO(drm, "> reclocking took %lluns\n\n", |
154 | ptimer->read(ptimer) - time0); | |
8d7bb400 BS |
155 | } |
156 | } | |
157 | ||
158 | static struct nouveau_pm_profile * | |
159 | profile_find(struct drm_device *dev, const char *string) | |
160 | { | |
77145f1c | 161 | struct nouveau_pm *pm = nouveau_pm(dev); |
8d7bb400 BS |
162 | struct nouveau_pm_profile *profile; |
163 | ||
164 | list_for_each_entry(profile, &pm->profiles, head) { | |
165 | if (!strncmp(profile->name, string, sizeof(profile->name))) | |
166 | return profile; | |
167 | } | |
168 | ||
169 | return NULL; | |
170 | } | |
171 | ||
6f876986 BS |
172 | static int |
173 | nouveau_pm_profile_set(struct drm_device *dev, const char *profile) | |
174 | { | |
77145f1c | 175 | struct nouveau_pm *pm = nouveau_pm(dev); |
8d7bb400 BS |
176 | struct nouveau_pm_profile *ac = NULL, *dc = NULL; |
177 | char string[16], *cur = string, *ptr; | |
6f876986 BS |
178 | |
179 | /* safety precaution, for now */ | |
180 | if (nouveau_perflvl_wr != 7777) | |
181 | return -EPERM; | |
182 | ||
8d7bb400 | 183 | strncpy(string, profile, sizeof(string)); |
5799d9e2 | 184 | string[sizeof(string) - 1] = 0; |
8d7bb400 BS |
185 | if ((ptr = strchr(string, '\n'))) |
186 | *ptr = '\0'; | |
6f876986 | 187 | |
8d7bb400 BS |
188 | ptr = strsep(&cur, ","); |
189 | if (ptr) | |
190 | ac = profile_find(dev, ptr); | |
6f876986 | 191 | |
8d7bb400 BS |
192 | ptr = strsep(&cur, ","); |
193 | if (ptr) | |
194 | dc = profile_find(dev, ptr); | |
195 | else | |
196 | dc = ac; | |
b0103747 | 197 | |
8d7bb400 BS |
198 | if (ac == NULL || dc == NULL) |
199 | return -EINVAL; | |
200 | ||
201 | pm->profile_ac = ac; | |
202 | pm->profile_dc = dc; | |
203 | nouveau_pm_trigger(dev); | |
204 | return 0; | |
6f876986 BS |
205 | } |
206 | ||
25c53c10 BS |
207 | static void |
208 | nouveau_pm_static_dummy(struct nouveau_pm_profile *profile) | |
209 | { | |
210 | } | |
211 | ||
8d7bb400 BS |
212 | static struct nouveau_pm_level * |
213 | nouveau_pm_static_select(struct nouveau_pm_profile *profile) | |
214 | { | |
215 | return container_of(profile, struct nouveau_pm_level, profile); | |
216 | } | |
217 | ||
218 | const struct nouveau_pm_profile_func nouveau_pm_static_profile_func = { | |
25c53c10 BS |
219 | .destroy = nouveau_pm_static_dummy, |
220 | .init = nouveau_pm_static_dummy, | |
221 | .fini = nouveau_pm_static_dummy, | |
8d7bb400 BS |
222 | .select = nouveau_pm_static_select, |
223 | }; | |
224 | ||
330c5988 BS |
225 | static int |
226 | nouveau_pm_perflvl_get(struct drm_device *dev, struct nouveau_pm_level *perflvl) | |
227 | { | |
aa1b9b48 | 228 | struct nouveau_drm *drm = nouveau_drm(dev); |
77145f1c | 229 | struct nouveau_pm *pm = nouveau_pm(dev); |
aa1b9b48 | 230 | struct nouveau_therm *therm = nouveau_therm(drm->device); |
330c5988 BS |
231 | int ret; |
232 | ||
330c5988 BS |
233 | memset(perflvl, 0, sizeof(*perflvl)); |
234 | ||
c11dd0da BS |
235 | if (pm->clocks_get) { |
236 | ret = pm->clocks_get(dev, perflvl); | |
237 | if (ret) | |
238 | return ret; | |
239 | } | |
330c5988 BS |
240 | |
241 | if (pm->voltage.supported && pm->voltage_get) { | |
242 | ret = pm->voltage_get(dev); | |
3b5565dd BS |
243 | if (ret > 0) { |
244 | perflvl->volt_min = ret; | |
245 | perflvl->volt_max = ret; | |
246 | } | |
330c5988 BS |
247 | } |
248 | ||
aa1b9b48 MP |
249 | if (therm && therm->fan_get) { |
250 | ret = therm->fan_get(therm); | |
251 | if (ret >= 0) | |
252 | perflvl->fanspeed = ret; | |
253 | } | |
771e1035 | 254 | |
fd99fd61 | 255 | nouveau_mem_timing_read(dev, &perflvl->timing); |
330c5988 BS |
256 | return 0; |
257 | } | |
258 | ||
259 | static void | |
260 | nouveau_pm_perflvl_info(struct nouveau_pm_level *perflvl, char *ptr, int len) | |
261 | { | |
085028ce | 262 | char c[16], s[16], v[32], f[16], m[16]; |
0fbb114a FJ |
263 | |
264 | c[0] = '\0'; | |
265 | if (perflvl->core) | |
266 | snprintf(c, sizeof(c), " core %dMHz", perflvl->core / 1000); | |
330c5988 BS |
267 | |
268 | s[0] = '\0'; | |
269 | if (perflvl->shader) | |
270 | snprintf(s, sizeof(s), " shader %dMHz", perflvl->shader / 1000); | |
271 | ||
93dccbed BS |
272 | m[0] = '\0'; |
273 | if (perflvl->memory) | |
274 | snprintf(m, sizeof(m), " memory %dMHz", perflvl->memory / 1000); | |
275 | ||
330c5988 | 276 | v[0] = '\0'; |
3b5565dd BS |
277 | if (perflvl->volt_min && perflvl->volt_min != perflvl->volt_max) { |
278 | snprintf(v, sizeof(v), " voltage %dmV-%dmV", | |
279 | perflvl->volt_min / 1000, perflvl->volt_max / 1000); | |
280 | } else | |
281 | if (perflvl->volt_min) { | |
282 | snprintf(v, sizeof(v), " voltage %dmV", | |
283 | perflvl->volt_min / 1000); | |
284 | } | |
330c5988 BS |
285 | |
286 | f[0] = '\0'; | |
287 | if (perflvl->fanspeed) | |
288 | snprintf(f, sizeof(f), " fanspeed %d%%", perflvl->fanspeed); | |
289 | ||
8d7bb400 | 290 | snprintf(ptr, len, "%s%s%s%s%s\n", c, s, m, v, f); |
330c5988 BS |
291 | } |
292 | ||
293 | static ssize_t | |
294 | nouveau_pm_get_perflvl_info(struct device *d, | |
295 | struct device_attribute *a, char *buf) | |
296 | { | |
8d7bb400 BS |
297 | struct nouveau_pm_level *perflvl = |
298 | container_of(a, struct nouveau_pm_level, dev_attr); | |
330c5988 BS |
299 | char *ptr = buf; |
300 | int len = PAGE_SIZE; | |
301 | ||
93dccbed | 302 | snprintf(ptr, len, "%d:", perflvl->id); |
330c5988 BS |
303 | ptr += strlen(buf); |
304 | len -= strlen(buf); | |
305 | ||
306 | nouveau_pm_perflvl_info(perflvl, ptr, len); | |
307 | return strlen(buf); | |
308 | } | |
309 | ||
310 | static ssize_t | |
311 | nouveau_pm_get_perflvl(struct device *d, struct device_attribute *a, char *buf) | |
312 | { | |
34e9d85a | 313 | struct drm_device *dev = pci_get_drvdata(to_pci_dev(d)); |
77145f1c | 314 | struct nouveau_pm *pm = nouveau_pm(dev); |
330c5988 BS |
315 | struct nouveau_pm_level cur; |
316 | int len = PAGE_SIZE, ret; | |
317 | char *ptr = buf; | |
318 | ||
8d7bb400 BS |
319 | snprintf(ptr, len, "profile: %s, %s\nc:", |
320 | pm->profile_ac->name, pm->profile_dc->name); | |
330c5988 BS |
321 | ptr += strlen(buf); |
322 | len -= strlen(buf); | |
323 | ||
324 | ret = nouveau_pm_perflvl_get(dev, &cur); | |
325 | if (ret == 0) | |
326 | nouveau_pm_perflvl_info(&cur, ptr, len); | |
327 | return strlen(buf); | |
328 | } | |
329 | ||
330 | static ssize_t | |
331 | nouveau_pm_set_perflvl(struct device *d, struct device_attribute *a, | |
332 | const char *buf, size_t count) | |
333 | { | |
34e9d85a | 334 | struct drm_device *dev = pci_get_drvdata(to_pci_dev(d)); |
6f876986 BS |
335 | int ret; |
336 | ||
337 | ret = nouveau_pm_profile_set(dev, buf); | |
338 | if (ret) | |
339 | return ret; | |
340 | return strlen(buf); | |
330c5988 BS |
341 | } |
342 | ||
5c4abd09 FJ |
343 | static DEVICE_ATTR(performance_level, S_IRUGO | S_IWUSR, |
344 | nouveau_pm_get_perflvl, nouveau_pm_set_perflvl); | |
330c5988 | 345 | |
34e9d85a MP |
346 | static int |
347 | nouveau_sysfs_init(struct drm_device *dev) | |
330c5988 | 348 | { |
77145f1c BS |
349 | struct nouveau_drm *drm = nouveau_drm(dev); |
350 | struct nouveau_pm *pm = nouveau_pm(dev); | |
330c5988 | 351 | struct device *d = &dev->pdev->dev; |
330c5988 BS |
352 | int ret, i; |
353 | ||
330c5988 BS |
354 | ret = device_create_file(d, &dev_attr_performance_level); |
355 | if (ret) | |
356 | return ret; | |
357 | ||
358 | for (i = 0; i < pm->nr_perflvl; i++) { | |
359 | struct nouveau_pm_level *perflvl = &pm->perflvl[i]; | |
360 | ||
361 | perflvl->dev_attr.attr.name = perflvl->name; | |
362 | perflvl->dev_attr.attr.mode = S_IRUGO; | |
363 | perflvl->dev_attr.show = nouveau_pm_get_perflvl_info; | |
364 | perflvl->dev_attr.store = NULL; | |
365 | sysfs_attr_init(&perflvl->dev_attr.attr); | |
366 | ||
367 | ret = device_create_file(d, &perflvl->dev_attr); | |
368 | if (ret) { | |
77145f1c | 369 | NV_ERROR(drm, "failed pervlvl %d sysfs: %d\n", |
330c5988 BS |
370 | perflvl->id, i); |
371 | perflvl->dev_attr.attr.name = NULL; | |
372 | nouveau_pm_fini(dev); | |
373 | return ret; | |
374 | } | |
375 | } | |
376 | ||
377 | return 0; | |
378 | } | |
379 | ||
34e9d85a MP |
380 | static void |
381 | nouveau_sysfs_fini(struct drm_device *dev) | |
330c5988 | 382 | { |
77145f1c | 383 | struct nouveau_pm *pm = nouveau_pm(dev); |
330c5988 BS |
384 | struct device *d = &dev->pdev->dev; |
385 | int i; | |
386 | ||
387 | device_remove_file(d, &dev_attr_performance_level); | |
388 | for (i = 0; i < pm->nr_perflvl; i++) { | |
389 | struct nouveau_pm_level *pl = &pm->perflvl[i]; | |
390 | ||
391 | if (!pl->dev_attr.attr.name) | |
392 | break; | |
393 | ||
394 | device_remove_file(d, &pl->dev_attr); | |
395 | } | |
34e9d85a MP |
396 | } |
397 | ||
658e86ee | 398 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
34e9d85a MP |
399 | static ssize_t |
400 | nouveau_hwmon_show_temp(struct device *d, struct device_attribute *a, char *buf) | |
401 | { | |
402 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
403 | struct nouveau_drm *drm = nouveau_drm(dev); |
404 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
34e9d85a | 405 | |
aa1b9b48 | 406 | return snprintf(buf, PAGE_SIZE, "%d\n", therm->temp_get(therm) * 1000); |
34e9d85a MP |
407 | } |
408 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, nouveau_hwmon_show_temp, | |
409 | NULL, 0); | |
410 | ||
411 | static ssize_t | |
412 | nouveau_hwmon_max_temp(struct device *d, struct device_attribute *a, char *buf) | |
413 | { | |
414 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
415 | struct nouveau_drm *drm = nouveau_drm(dev); |
416 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
34e9d85a | 417 | |
aa1b9b48 MP |
418 | return snprintf(buf, PAGE_SIZE, "%d\n", |
419 | therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_DOWN_CLK) * 1000); | |
34e9d85a MP |
420 | } |
421 | static ssize_t | |
422 | nouveau_hwmon_set_max_temp(struct device *d, struct device_attribute *a, | |
423 | const char *buf, size_t count) | |
424 | { | |
425 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
426 | struct nouveau_drm *drm = nouveau_drm(dev); |
427 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
34e9d85a MP |
428 | long value; |
429 | ||
ddb20055 | 430 | if (kstrtol(buf, 10, &value) == -EINVAL) |
34e9d85a MP |
431 | return count; |
432 | ||
aa1b9b48 | 433 | therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_DOWN_CLK, value / 1000); |
34e9d85a MP |
434 | |
435 | return count; | |
436 | } | |
437 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, nouveau_hwmon_max_temp, | |
438 | nouveau_hwmon_set_max_temp, | |
439 | 0); | |
440 | ||
441 | static ssize_t | |
442 | nouveau_hwmon_critical_temp(struct device *d, struct device_attribute *a, | |
443 | char *buf) | |
444 | { | |
445 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
446 | struct nouveau_drm *drm = nouveau_drm(dev); |
447 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
34e9d85a | 448 | |
aa1b9b48 MP |
449 | return snprintf(buf, PAGE_SIZE, "%d\n", |
450 | therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_CRITICAL) * 1000); | |
34e9d85a MP |
451 | } |
452 | static ssize_t | |
453 | nouveau_hwmon_set_critical_temp(struct device *d, struct device_attribute *a, | |
454 | const char *buf, | |
455 | size_t count) | |
456 | { | |
457 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
458 | struct nouveau_drm *drm = nouveau_drm(dev); |
459 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
34e9d85a MP |
460 | long value; |
461 | ||
ddb20055 | 462 | if (kstrtol(buf, 10, &value) == -EINVAL) |
34e9d85a MP |
463 | return count; |
464 | ||
aa1b9b48 | 465 | therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_CRITICAL, value / 1000); |
34e9d85a MP |
466 | |
467 | return count; | |
468 | } | |
469 | static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO | S_IWUSR, | |
470 | nouveau_hwmon_critical_temp, | |
471 | nouveau_hwmon_set_critical_temp, | |
472 | 0); | |
473 | ||
474 | static ssize_t nouveau_hwmon_show_name(struct device *dev, | |
475 | struct device_attribute *attr, | |
476 | char *buf) | |
477 | { | |
478 | return sprintf(buf, "nouveau\n"); | |
479 | } | |
480 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, nouveau_hwmon_show_name, NULL, 0); | |
481 | ||
482 | static ssize_t nouveau_hwmon_show_update_rate(struct device *dev, | |
483 | struct device_attribute *attr, | |
484 | char *buf) | |
485 | { | |
486 | return sprintf(buf, "1000\n"); | |
487 | } | |
488 | static SENSOR_DEVICE_ATTR(update_rate, S_IRUGO, | |
489 | nouveau_hwmon_show_update_rate, | |
490 | NULL, 0); | |
491 | ||
11b7d895 MP |
492 | static ssize_t |
493 | nouveau_hwmon_show_fan0_input(struct device *d, struct device_attribute *attr, | |
494 | char *buf) | |
495 | { | |
496 | struct drm_device *dev = dev_get_drvdata(d); | |
77145f1c | 497 | struct nouveau_drm *drm = nouveau_drm(dev); |
aa1b9b48 | 498 | struct nouveau_therm *therm = nouveau_therm(drm->device); |
11b7d895 | 499 | |
aa1b9b48 | 500 | return snprintf(buf, PAGE_SIZE, "%d\n", therm->fan_sense(therm)); |
11b7d895 MP |
501 | } |
502 | static SENSOR_DEVICE_ATTR(fan0_input, S_IRUGO, nouveau_hwmon_show_fan0_input, | |
503 | NULL, 0); | |
504 | ||
2f951a5d MP |
505 | static ssize_t |
506 | nouveau_hwmon_get_pwm1_enable(struct device *d, | |
507 | struct device_attribute *a, char *buf) | |
508 | { | |
509 | struct drm_device *dev = dev_get_drvdata(d); | |
510 | struct nouveau_drm *drm = nouveau_drm(dev); | |
511 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
a0b25635 | 512 | int ret; |
11b7d895 | 513 | |
2f951a5d MP |
514 | ret = therm->attr_get(therm, NOUVEAU_THERM_ATTR_FAN_MODE); |
515 | if (ret < 0) | |
a0b25635 | 516 | return ret; |
11b7d895 | 517 | |
2f951a5d MP |
518 | return sprintf(buf, "%i\n", ret); |
519 | } | |
11b7d895 | 520 | |
2f951a5d MP |
521 | static ssize_t |
522 | nouveau_hwmon_set_pwm1_enable(struct device *d, struct device_attribute *a, | |
523 | const char *buf, size_t count) | |
524 | { | |
525 | struct drm_device *dev = dev_get_drvdata(d); | |
526 | struct nouveau_drm *drm = nouveau_drm(dev); | |
527 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
528 | long value; | |
529 | int ret; | |
530 | ||
531 | if (strict_strtol(buf, 10, &value) == -EINVAL) | |
532 | return -EINVAL; | |
11b7d895 | 533 | |
2f951a5d MP |
534 | ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MODE, value); |
535 | if (ret) | |
536 | return ret; | |
537 | else | |
538 | return count; | |
11b7d895 | 539 | } |
2f951a5d MP |
540 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, |
541 | nouveau_hwmon_get_pwm1_enable, | |
542 | nouveau_hwmon_set_pwm1_enable, 0); | |
11b7d895 MP |
543 | |
544 | static ssize_t | |
c9cbf135 | 545 | nouveau_hwmon_get_pwm1(struct device *d, struct device_attribute *a, char *buf) |
11b7d895 MP |
546 | { |
547 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
548 | struct nouveau_drm *drm = nouveau_drm(dev); |
549 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
a175094c | 550 | int ret; |
11b7d895 | 551 | |
aa1b9b48 | 552 | ret = therm->fan_get(therm); |
11b7d895 MP |
553 | if (ret < 0) |
554 | return ret; | |
555 | ||
556 | return sprintf(buf, "%i\n", ret); | |
557 | } | |
558 | ||
559 | static ssize_t | |
c9cbf135 | 560 | nouveau_hwmon_set_pwm1(struct device *d, struct device_attribute *a, |
11b7d895 MP |
561 | const char *buf, size_t count) |
562 | { | |
563 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
564 | struct nouveau_drm *drm = nouveau_drm(dev); |
565 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
11b7d895 MP |
566 | int ret = -ENODEV; |
567 | long value; | |
568 | ||
569 | if (nouveau_perflvl_wr != 7777) | |
570 | return -EPERM; | |
571 | ||
ddb20055 | 572 | if (kstrtol(buf, 10, &value) == -EINVAL) |
11b7d895 MP |
573 | return -EINVAL; |
574 | ||
aa1b9b48 | 575 | ret = therm->fan_set(therm, value); |
11b7d895 MP |
576 | if (ret) |
577 | return ret; | |
578 | ||
579 | return count; | |
580 | } | |
581 | ||
c9cbf135 MP |
582 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, |
583 | nouveau_hwmon_get_pwm1, | |
584 | nouveau_hwmon_set_pwm1, 0); | |
11b7d895 MP |
585 | |
586 | static ssize_t | |
c9cbf135 | 587 | nouveau_hwmon_get_pwm1_min(struct device *d, |
11b7d895 MP |
588 | struct device_attribute *a, char *buf) |
589 | { | |
590 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
591 | struct nouveau_drm *drm = nouveau_drm(dev); |
592 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
593 | int ret; | |
594 | ||
595 | ret = therm->attr_get(therm, NOUVEAU_THERM_ATTR_FAN_MIN_DUTY); | |
596 | if (ret < 0) | |
597 | return ret; | |
11b7d895 | 598 | |
aa1b9b48 | 599 | return sprintf(buf, "%i\n", ret); |
11b7d895 MP |
600 | } |
601 | ||
602 | static ssize_t | |
c9cbf135 | 603 | nouveau_hwmon_set_pwm1_min(struct device *d, struct device_attribute *a, |
11b7d895 MP |
604 | const char *buf, size_t count) |
605 | { | |
606 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
607 | struct nouveau_drm *drm = nouveau_drm(dev); |
608 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
11b7d895 | 609 | long value; |
aa1b9b48 | 610 | int ret; |
11b7d895 | 611 | |
ddb20055 | 612 | if (kstrtol(buf, 10, &value) == -EINVAL) |
11b7d895 MP |
613 | return -EINVAL; |
614 | ||
aa1b9b48 MP |
615 | ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MIN_DUTY, value); |
616 | if (ret < 0) | |
617 | return ret; | |
11b7d895 MP |
618 | |
619 | return count; | |
620 | } | |
621 | ||
c9cbf135 MP |
622 | static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO | S_IWUSR, |
623 | nouveau_hwmon_get_pwm1_min, | |
624 | nouveau_hwmon_set_pwm1_min, 0); | |
11b7d895 MP |
625 | |
626 | static ssize_t | |
c9cbf135 | 627 | nouveau_hwmon_get_pwm1_max(struct device *d, |
11b7d895 MP |
628 | struct device_attribute *a, char *buf) |
629 | { | |
630 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
631 | struct nouveau_drm *drm = nouveau_drm(dev); |
632 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
633 | int ret; | |
11b7d895 | 634 | |
aa1b9b48 MP |
635 | ret = therm->attr_get(therm, NOUVEAU_THERM_ATTR_FAN_MAX_DUTY); |
636 | if (ret < 0) | |
637 | return ret; | |
11b7d895 | 638 | |
aa1b9b48 | 639 | return sprintf(buf, "%i\n", ret); |
11b7d895 MP |
640 | } |
641 | ||
642 | static ssize_t | |
c9cbf135 | 643 | nouveau_hwmon_set_pwm1_max(struct device *d, struct device_attribute *a, |
11b7d895 MP |
644 | const char *buf, size_t count) |
645 | { | |
646 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
647 | struct nouveau_drm *drm = nouveau_drm(dev); |
648 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
11b7d895 | 649 | long value; |
aa1b9b48 | 650 | int ret; |
11b7d895 | 651 | |
ddb20055 | 652 | if (kstrtol(buf, 10, &value) == -EINVAL) |
11b7d895 MP |
653 | return -EINVAL; |
654 | ||
aa1b9b48 MP |
655 | ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MAX_DUTY, value); |
656 | if (ret < 0) | |
657 | return ret; | |
11b7d895 MP |
658 | |
659 | return count; | |
660 | } | |
661 | ||
c9cbf135 MP |
662 | static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO | S_IWUSR, |
663 | nouveau_hwmon_get_pwm1_max, | |
664 | nouveau_hwmon_set_pwm1_max, 0); | |
11b7d895 | 665 | |
34e9d85a MP |
666 | static struct attribute *hwmon_attributes[] = { |
667 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
668 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
669 | &sensor_dev_attr_temp1_crit.dev_attr.attr, | |
670 | &sensor_dev_attr_name.dev_attr.attr, | |
671 | &sensor_dev_attr_update_rate.dev_attr.attr, | |
672 | NULL | |
673 | }; | |
11b7d895 MP |
674 | static struct attribute *hwmon_fan_rpm_attributes[] = { |
675 | &sensor_dev_attr_fan0_input.dev_attr.attr, | |
676 | NULL | |
677 | }; | |
678 | static struct attribute *hwmon_pwm_fan_attributes[] = { | |
2f951a5d | 679 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
c9cbf135 MP |
680 | &sensor_dev_attr_pwm1.dev_attr.attr, |
681 | &sensor_dev_attr_pwm1_min.dev_attr.attr, | |
682 | &sensor_dev_attr_pwm1_max.dev_attr.attr, | |
11b7d895 MP |
683 | NULL |
684 | }; | |
34e9d85a MP |
685 | |
686 | static const struct attribute_group hwmon_attrgroup = { | |
687 | .attrs = hwmon_attributes, | |
688 | }; | |
11b7d895 MP |
689 | static const struct attribute_group hwmon_fan_rpm_attrgroup = { |
690 | .attrs = hwmon_fan_rpm_attributes, | |
691 | }; | |
692 | static const struct attribute_group hwmon_pwm_fan_attrgroup = { | |
693 | .attrs = hwmon_pwm_fan_attributes, | |
694 | }; | |
b54262f3 | 695 | #endif |
34e9d85a MP |
696 | |
697 | static int | |
698 | nouveau_hwmon_init(struct drm_device *dev) | |
699 | { | |
77145f1c | 700 | struct nouveau_pm *pm = nouveau_pm(dev); |
77145f1c | 701 | |
095f979a | 702 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
57cdf82c GR |
703 | struct nouveau_drm *drm = nouveau_drm(dev); |
704 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
34e9d85a | 705 | struct device *hwmon_dev; |
11b7d895 | 706 | int ret = 0; |
34e9d85a | 707 | |
a5f5af86 | 708 | if (!therm || !therm->temp_get || !therm->attr_get || !therm->attr_set) |
8155cac4 | 709 | return -ENODEV; |
34e9d85a MP |
710 | |
711 | hwmon_dev = hwmon_device_register(&dev->pdev->dev); | |
712 | if (IS_ERR(hwmon_dev)) { | |
713 | ret = PTR_ERR(hwmon_dev); | |
77145f1c | 714 | NV_ERROR(drm, "Unable to register hwmon device: %d\n", ret); |
34e9d85a MP |
715 | return ret; |
716 | } | |
717 | dev_set_drvdata(hwmon_dev, dev); | |
11b7d895 MP |
718 | |
719 | /* default sysfs entries */ | |
07cfe0e7 | 720 | ret = sysfs_create_group(&dev->pdev->dev.kobj, &hwmon_attrgroup); |
34e9d85a | 721 | if (ret) { |
11b7d895 MP |
722 | if (ret) |
723 | goto error; | |
724 | } | |
725 | ||
726 | /* if the card has a pwm fan */ | |
727 | /*XXX: incorrect, need better detection for this, some boards have | |
728 | * the gpio entries for pwm fan control even when there's no | |
729 | * actual fan connected to it... therm table? */ | |
aa1b9b48 | 730 | if (therm->fan_get && therm->fan_get(therm) >= 0) { |
11b7d895 MP |
731 | ret = sysfs_create_group(&dev->pdev->dev.kobj, |
732 | &hwmon_pwm_fan_attrgroup); | |
733 | if (ret) | |
734 | goto error; | |
735 | } | |
736 | ||
737 | /* if the card can read the fan rpm */ | |
aa1b9b48 | 738 | if (therm->fan_sense(therm) >= 0) { |
11b7d895 MP |
739 | ret = sysfs_create_group(&dev->pdev->dev.kobj, |
740 | &hwmon_fan_rpm_attrgroup); | |
741 | if (ret) | |
742 | goto error; | |
34e9d85a MP |
743 | } |
744 | ||
8155cac4 | 745 | pm->hwmon = hwmon_dev; |
11b7d895 | 746 | |
34e9d85a | 747 | return 0; |
11b7d895 MP |
748 | |
749 | error: | |
77145f1c | 750 | NV_ERROR(drm, "Unable to create some hwmon sysfs files: %d\n", ret); |
11b7d895 MP |
751 | hwmon_device_unregister(hwmon_dev); |
752 | pm->hwmon = NULL; | |
753 | return ret; | |
754 | #else | |
755 | pm->hwmon = NULL; | |
756 | return 0; | |
757 | #endif | |
34e9d85a MP |
758 | } |
759 | ||
760 | static void | |
761 | nouveau_hwmon_fini(struct drm_device *dev) | |
762 | { | |
658e86ee | 763 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
77145f1c | 764 | struct nouveau_pm *pm = nouveau_pm(dev); |
34e9d85a | 765 | |
8155cac4 | 766 | if (pm->hwmon) { |
8c06a3e0 | 767 | sysfs_remove_group(&dev->pdev->dev.kobj, &hwmon_attrgroup); |
ddb20055 MP |
768 | sysfs_remove_group(&dev->pdev->dev.kobj, |
769 | &hwmon_pwm_fan_attrgroup); | |
770 | sysfs_remove_group(&dev->pdev->dev.kobj, | |
771 | &hwmon_fan_rpm_attrgroup); | |
11b7d895 | 772 | |
8155cac4 | 773 | hwmon_device_unregister(pm->hwmon); |
34e9d85a | 774 | } |
b54262f3 | 775 | #endif |
34e9d85a MP |
776 | } |
777 | ||
1f962797 | 778 | #if defined(CONFIG_ACPI) && defined(CONFIG_POWER_SUPPLY) |
6032649d BS |
779 | static int |
780 | nouveau_pm_acpi_event(struct notifier_block *nb, unsigned long val, void *data) | |
781 | { | |
77145f1c BS |
782 | struct nouveau_pm *pm = container_of(nb, struct nouveau_pm, acpi_nb); |
783 | struct nouveau_drm *drm = nouveau_drm(pm->dev); | |
6032649d BS |
784 | struct acpi_bus_event *entry = (struct acpi_bus_event *)data; |
785 | ||
786 | if (strcmp(entry->device_class, "ac_adapter") == 0) { | |
787 | bool ac = power_supply_is_system_supplied(); | |
788 | ||
77145f1c BS |
789 | NV_DEBUG(drm, "power supply changed: %s\n", ac ? "AC" : "DC"); |
790 | nouveau_pm_trigger(pm->dev); | |
6032649d BS |
791 | } |
792 | ||
793 | return NOTIFY_OK; | |
794 | } | |
795 | #endif | |
796 | ||
34e9d85a MP |
797 | int |
798 | nouveau_pm_init(struct drm_device *dev) | |
799 | { | |
77145f1c BS |
800 | struct nouveau_device *device = nouveau_dev(dev); |
801 | struct nouveau_drm *drm = nouveau_drm(dev); | |
802 | struct nouveau_pm *pm; | |
34e9d85a MP |
803 | char info[256]; |
804 | int ret, i; | |
805 | ||
77145f1c BS |
806 | pm = drm->pm = kzalloc(sizeof(*pm), GFP_KERNEL); |
807 | if (!pm) | |
808 | return -ENOMEM; | |
809 | ||
810 | pm->dev = dev; | |
811 | ||
812 | if (device->card_type < NV_40) { | |
813 | pm->clocks_get = nv04_pm_clocks_get; | |
814 | pm->clocks_pre = nv04_pm_clocks_pre; | |
815 | pm->clocks_set = nv04_pm_clocks_set; | |
816 | if (nouveau_gpio(drm->device)) { | |
817 | pm->voltage_get = nouveau_voltage_gpio_get; | |
818 | pm->voltage_set = nouveau_voltage_gpio_set; | |
819 | } | |
820 | } else | |
821 | if (device->card_type < NV_50) { | |
822 | pm->clocks_get = nv40_pm_clocks_get; | |
823 | pm->clocks_pre = nv40_pm_clocks_pre; | |
824 | pm->clocks_set = nv40_pm_clocks_set; | |
825 | pm->voltage_get = nouveau_voltage_gpio_get; | |
826 | pm->voltage_set = nouveau_voltage_gpio_set; | |
77145f1c BS |
827 | } else |
828 | if (device->card_type < NV_C0) { | |
829 | if (device->chipset < 0xa3 || | |
830 | device->chipset == 0xaa || | |
831 | device->chipset == 0xac) { | |
832 | pm->clocks_get = nv50_pm_clocks_get; | |
833 | pm->clocks_pre = nv50_pm_clocks_pre; | |
834 | pm->clocks_set = nv50_pm_clocks_set; | |
835 | } else { | |
836 | pm->clocks_get = nva3_pm_clocks_get; | |
837 | pm->clocks_pre = nva3_pm_clocks_pre; | |
838 | pm->clocks_set = nva3_pm_clocks_set; | |
839 | } | |
840 | pm->voltage_get = nouveau_voltage_gpio_get; | |
841 | pm->voltage_set = nouveau_voltage_gpio_set; | |
77145f1c BS |
842 | } else |
843 | if (device->card_type < NV_E0) { | |
844 | pm->clocks_get = nvc0_pm_clocks_get; | |
845 | pm->clocks_pre = nvc0_pm_clocks_pre; | |
846 | pm->clocks_set = nvc0_pm_clocks_set; | |
847 | pm->voltage_get = nouveau_voltage_gpio_get; | |
848 | pm->voltage_set = nouveau_voltage_gpio_set; | |
77145f1c BS |
849 | } |
850 | ||
851 | ||
68a64cad | 852 | /* parse aux tables from vbios */ |
34e9d85a | 853 | nouveau_volt_init(dev); |
34e9d85a | 854 | |
d89c8ce0 | 855 | INIT_LIST_HEAD(&pm->profiles); |
34e9d85a | 856 | |
68a64cad BS |
857 | /* determine current ("boot") performance level */ |
858 | ret = nouveau_pm_perflvl_get(dev, &pm->boot); | |
859 | if (ret) { | |
77145f1c | 860 | NV_ERROR(drm, "failed to determine boot perflvl\n"); |
68a64cad BS |
861 | return ret; |
862 | } | |
863 | ||
864 | strncpy(pm->boot.name, "boot", 4); | |
8d7bb400 BS |
865 | strncpy(pm->boot.profile.name, "boot", 4); |
866 | pm->boot.profile.func = &nouveau_pm_static_profile_func; | |
867 | ||
8d7bb400 BS |
868 | list_add(&pm->boot.profile.head, &pm->profiles); |
869 | ||
870 | pm->profile_ac = &pm->boot.profile; | |
871 | pm->profile_dc = &pm->boot.profile; | |
25c53c10 | 872 | pm->profile = &pm->boot.profile; |
68a64cad BS |
873 | pm->cur = &pm->boot; |
874 | ||
875 | /* add performance levels from vbios */ | |
876 | nouveau_perf_init(dev); | |
877 | ||
878 | /* display available performance levels */ | |
77145f1c | 879 | NV_INFO(drm, "%d available performance level(s)\n", pm->nr_perflvl); |
34e9d85a MP |
880 | for (i = 0; i < pm->nr_perflvl; i++) { |
881 | nouveau_pm_perflvl_info(&pm->perflvl[i], info, sizeof(info)); | |
77145f1c | 882 | NV_INFO(drm, "%d:%s", pm->perflvl[i].id, info); |
34e9d85a MP |
883 | } |
884 | ||
68a64cad | 885 | nouveau_pm_perflvl_info(&pm->boot, info, sizeof(info)); |
77145f1c | 886 | NV_INFO(drm, "c:%s", info); |
34e9d85a MP |
887 | |
888 | /* switch performance levels now if requested */ | |
8d7bb400 BS |
889 | if (nouveau_perflvl != NULL) |
890 | nouveau_pm_profile_set(dev, nouveau_perflvl); | |
34e9d85a MP |
891 | |
892 | nouveau_sysfs_init(dev); | |
893 | nouveau_hwmon_init(dev); | |
1f962797 | 894 | #if defined(CONFIG_ACPI) && defined(CONFIG_POWER_SUPPLY) |
6032649d BS |
895 | pm->acpi_nb.notifier_call = nouveau_pm_acpi_event; |
896 | register_acpi_notifier(&pm->acpi_nb); | |
897 | #endif | |
34e9d85a MP |
898 | |
899 | return 0; | |
900 | } | |
901 | ||
902 | void | |
903 | nouveau_pm_fini(struct drm_device *dev) | |
904 | { | |
77145f1c | 905 | struct nouveau_pm *pm = nouveau_pm(dev); |
25c53c10 BS |
906 | struct nouveau_pm_profile *profile, *tmp; |
907 | ||
908 | list_for_each_entry_safe(profile, tmp, &pm->profiles, head) { | |
909 | list_del(&profile->head); | |
910 | profile->func->destroy(profile); | |
911 | } | |
34e9d85a MP |
912 | |
913 | if (pm->cur != &pm->boot) | |
914 | nouveau_pm_perflvl_set(dev, &pm->boot); | |
330c5988 BS |
915 | |
916 | nouveau_perf_fini(dev); | |
917 | nouveau_volt_fini(dev); | |
34e9d85a | 918 | |
1f962797 | 919 | #if defined(CONFIG_ACPI) && defined(CONFIG_POWER_SUPPLY) |
6032649d BS |
920 | unregister_acpi_notifier(&pm->acpi_nb); |
921 | #endif | |
34e9d85a MP |
922 | nouveau_hwmon_fini(dev); |
923 | nouveau_sysfs_fini(dev); | |
77145f1c BS |
924 | |
925 | nouveau_drm(dev)->pm = NULL; | |
926 | kfree(pm); | |
330c5988 BS |
927 | } |
928 | ||
64f1c11a BS |
929 | void |
930 | nouveau_pm_resume(struct drm_device *dev) | |
931 | { | |
77145f1c | 932 | struct nouveau_pm *pm = nouveau_pm(dev); |
64f1c11a BS |
933 | struct nouveau_pm_level *perflvl; |
934 | ||
317495b2 | 935 | if (!pm->cur || pm->cur == &pm->boot) |
64f1c11a BS |
936 | return; |
937 | ||
938 | perflvl = pm->cur; | |
939 | pm->cur = &pm->boot; | |
940 | nouveau_pm_perflvl_set(dev, perflvl); | |
941 | } |